feat: add logging

routes/admin/performance/index.tsx

@@ -1,10 +1,6 @@
 import { MainLayout } from "@components/layouts/main.tsx";
 import { Handlers, PageProps } from "$fresh/server.ts";
-import {
-  getPerformances,
-  PerformancePoint,
-  PerformanceRes,
-} from "@lib/cache/performance.ts";
+import { getPerformances, PerformanceRes } from "@lib/cache/performance.ts";
 import { AccessDeniedError } from "@lib/errors.ts";
 
 export const handler: Handlers = {